1 | // RUN: %clangxx_xray %s -o %t |
2 | // RUN: XRAY_OPTIONS=patch_premain=false:verbosity=1 %run %t 2>&1 | FileCheck %s |
3 | |
4 | // REQUIRES: target={{(aarch64|x86_64)-.*linux.*}} |
5 | |
6 | #include <assert.h> |
7 | #include <stdio.h> |
8 | #include "xray/xray_interface.h" |
9 | |
10 | [[clang::xray_always_instrument]] void foo() { |
11 | static constexpr char CustomLogged[] = "hello custom logging!" ; |
12 | printf(format: "before calling the custom logging...\n" ); |
13 | __xray_typedevent(42, CustomLogged, sizeof(CustomLogged)); |
14 | printf(format: "after calling the custom logging...\n" ); |
15 | } |
16 | |
17 | static void myprinter(size_t type, const void *ptr, size_t size) { |
18 | assert(type == 42); |
19 | printf(format: "%.*s\n" , static_cast<int>(size), static_cast<const char*>(ptr)); |
20 | } |
21 | |
22 | int main() { |
23 | // CHECK: before calling the custom logging... |
24 | // CHECK-NEXT: after calling the custom logging... |
25 | foo(); |
26 | __xray_set_typedevent_handler(entry: myprinter); |
27 | __xray_patch(); |
28 | // CHECK-NEXT: before calling the custom logging... |
29 | // CHECK-NEXT: hello custom logging! |
30 | // CHECK-NEXT: after calling the custom logging... |
31 | foo(); |
32 | // CHECK-NEXT: before calling the custom logging... |
33 | // CHECK-NEXT: after calling the custom logging... |
34 | __xray_remove_typedevent_handler(); |
35 | foo(); |
36 | } |
37 | |